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netfilter: xtables: give xt_ecn its own name

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Use the new macro and struct names in xt_ecn.h, and put the old
definitions into a definition-forwarding ipt_ecn.h.

Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
This commit is contained in:
Jan Engelhardt
2011-06-09 21:15:37 +02:00
committed by Pablo Neira Ayuso
parent d446a8202c
commit a4c6f9d363
3 changed files with 33 additions and 24 deletions
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34
net/netfilter/xt_ecn.c
View File

@@ -15,8 +15,8 @@
#include <linux/tcp.h>
#include <linux/netfilter/x_tables.h>
#include <linux/netfilter/xt_ecn.h>
#include <linux/netfilter_ipv4/ip_tables.h>
#include <linux/netfilter_ipv4/ipt_ecn.h>
MODULE_AUTHOR("Harald Welte <laforge@netfilter.org>");
MODULE_DESCRIPTION("Xtables: Explicit Congestion Notification (ECN) flag match for IPv4");
@@ -24,14 +24,14 @@ MODULE_LICENSE("GPL");
MODULE_ALIAS("ipt_ecn");
static inline bool match_ip(const struct sk_buff *skb,
const struct ipt_ecn_info *einfo)
const struct xt_ecn_info *einfo)
{
return ((ip_hdr(skb)->tos & IPT_ECN_IP_MASK) == einfo->ip_ect) ^
!!(einfo->invert & IPT_ECN_OP_MATCH_IP);
return ((ip_hdr(skb)->tos & XT_ECN_IP_MASK) == einfo->ip_ect) ^
!!(einfo->invert & XT_ECN_OP_MATCH_IP);
}
static inline bool match_tcp(const struct sk_buff *skb,
const struct ipt_ecn_info *einfo,
const struct xt_ecn_info *einfo,
bool *hotdrop)
{
struct tcphdr _tcph;
@@ -46,8 +46,8 @@ static inline bool match_tcp(const struct sk_buff *skb,
return false;
}
if (einfo->operation & IPT_ECN_OP_MATCH_ECE) {
if (einfo->invert & IPT_ECN_OP_MATCH_ECE) {
if (einfo->operation & XT_ECN_OP_MATCH_ECE) {
if (einfo->invert & XT_ECN_OP_MATCH_ECE) {
if (th->ece == 1)
return false;
} else {
@@ -56,8 +56,8 @@ static inline bool match_tcp(const struct sk_buff *skb,
}
}
if (einfo->operation & IPT_ECN_OP_MATCH_CWR) {
if (einfo->invert & IPT_ECN_OP_MATCH_CWR) {
if (einfo->operation & XT_ECN_OP_MATCH_CWR) {
if (einfo->invert & XT_ECN_OP_MATCH_CWR) {
if (th->cwr == 1)
return false;
} else {
@@ -71,13 +71,13 @@ static inline bool match_tcp(const struct sk_buff *skb,
static bool ecn_mt(const struct sk_buff *skb, struct xt_action_param *par)
{
const struct ipt_ecn_info *info = par->matchinfo;
const struct xt_ecn_info *info = par->matchinfo;
if (info->operation & IPT_ECN_OP_MATCH_IP)
if (info->operation & XT_ECN_OP_MATCH_IP)
if (!match_ip(skb, info))
return false;
if (info->operation & (IPT_ECN_OP_MATCH_ECE|IPT_ECN_OP_MATCH_CWR)) {
if (info->operation & (XT_ECN_OP_MATCH_ECE | XT_ECN_OP_MATCH_CWR)) {
if (!match_tcp(skb, info, &par->hotdrop))
return false;
}
@@ -87,16 +87,16 @@ static bool ecn_mt(const struct sk_buff *skb, struct xt_action_param *par)
static int ecn_mt_check(const struct xt_mtchk_param *par)
{
const struct ipt_ecn_info *info = par->matchinfo;
const struct xt_ecn_info *info = par->matchinfo;
const struct ipt_ip *ip = par->entryinfo;
if (info->operation & IPT_ECN_OP_MATCH_MASK)
if (info->operation & XT_ECN_OP_MATCH_MASK)
return -EINVAL;
if (info->invert & IPT_ECN_OP_MATCH_MASK)
if (info->invert & XT_ECN_OP_MATCH_MASK)
return -EINVAL;
if (info->operation & (IPT_ECN_OP_MATCH_ECE|IPT_ECN_OP_MATCH_CWR) &&
if (info->operation & (XT_ECN_OP_MATCH_ECE | XT_ECN_OP_MATCH_CWR) &&
(ip->proto != IPPROTO_TCP || ip->invflags & IPT_INV_PROTO)) {
pr_info("cannot match TCP bits in rule for non-tcp packets\n");
return -EINVAL;
@@ -109,7 +109,7 @@ static struct xt_match ecn_mt_reg __read_mostly = {
.name = "ecn",
.family = NFPROTO_IPV4,
.match = ecn_mt,
.matchsize = sizeof(struct ipt_ecn_info),
.matchsize = sizeof(struct xt_ecn_info),
.checkentry = ecn_mt_check,
.me = THIS_MODULE,
};